Ruling · Mahāṣṭamī (Durgāṣṭamī) · 2064

Friday 17 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 664 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Friday 17 October

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:39  12:27 madhyāhna ends
10:5111:1511:3912:0312:2712:5113:15

48 of 48 minutes covered

Midday of Saturday 18 October

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:39  12:27 madhyāhna ends
10:5111:1511:3912:0312:2712:5113:15

0 of 48 minutes covered

Aṣṭamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 00:22 on Fri 17 Oct to 00:36 on Sat 18 Oct.

    2064-10-16T16:21:43Z → 2064-10-17T16:35:32Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 17th, 11:39–12:27 on the 18th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: paraviddha → only-day · margin 39810 s

  5. 05

    Ruling

    Mahāṣṭamī, Baoding, 2064: Friday 17 October.

    confidence: determinate

Say it like this

In Baoding, Mahāṣṭamī (Durga Ashtami) 2064 falls on Friday 17 October. Aṣṭamī runs from 00:22 on Fri 17 Oct to 00:36 on Sat 18 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2064/mahashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 17 Oct
Ahargaṇa, classicalDisc centre, no refractionFri 17 Oct
compat-drikpanchangComparison profileFri 17 Oct
No institution has a recorded ruling for Baoding.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/mahashtami · ruleset 2026.3-draft

Month
Āśvina, amānta
Pakṣa · aṅga
Śukla · Aṣṭamī
Kāla
Madhyāhna
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 104

“S 8 Mahastami (paraviddha)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceAṣṭamīMadhyāhna 16thCoveredMadhyāhna 17thCoveredRuled
Los Angeles09:22 → 09:3612:1448 min12:140 min16 Oct
Chicago11:22 → 11:3612:1248 min12:120 min16 Oct
Jersey City12:22 → 12:3612:1744 min12:1718 min17 Oct
Port of Spain12:22 → 12:3611:270 min11:2748 min17 Oct
London17:22 → 17:3612:220 min12:2148 min17 Oct
Durban18:22 → 18:3611:180 min11:1748 min17 Oct
Dubai20:22 → 20:3611:400 min11:4048 min17 Oct
Delhi21:52 → 22:0611:420 min11:4248 min17 Oct
Kolkata21:52 → 22:0610:580 min10:5848 min17 Oct
Singapore00:22 → 00:3612:260 min12:2648 min17 Oct
Sydney03:22 → 03:3612:170 min12:1748 min17 Oct
Suva04:22 → 04:3611:280 min11:2848 min17 Oct
Profile · tradition
pac-rp@2026.1 · smarta
Rule
mahashtami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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